SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Literal Array_[UInt64_9223372036854775806, UInt64_1048575]
    Function array (children 1)
     ExpressionList
    Function sumMap (children 1)
     ExpressionList (children 3)
      Identifier val
      Function array (children 1)
       ExpressionList (children 2)
        Function toDateTime64 (children 1)
         ExpressionList (children 2)
          Function array (children 1)
           ExpressionList (children 2)
            Function CAST (children 1)
             ExpressionList (children 2)
              Literal Float64_1
              Literal \'Decimal(10,2)\'
            Function CAST (children 1)
             ExpressionList (children 2)
              Literal Float64_10.000100135803223
              Literal \'Decimal(10,2)\'
          Literal NULL
        Function CAST (children 1)
         ExpressionList (children 2)
          Literal Float64_-0
          Literal \'Decimal(10,2)\'
      Identifier cnt
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 4)
           Function toDateTime64 (children 1)
            ExpressionList (children 4)
             Literal \'0.0000001023\'
             Literal Array_[UInt64_1025, UInt64_256]
             Literal \'102.5\'
             Literal NULL
           Literal Array_[NULL]
           Function array (alias val) (children 1)
            ExpressionList (children 2)
             Function CAST (children 1)
              ExpressionList (children 2)
               Literal \'a\'
               Literal \'FixedString(1)\'
             Function CAST (children 1)
              ExpressionList (children 2)
               Literal \'\'
               Literal \'FixedString(1)\'
           Literal Array_[UInt64_1024, UInt64_100] (alias cnt)